Coolstar Sst Audio Driver Download May 2026

This driver is not for every PC. It works specifically on devices with:

| Component | Requirement | |-----------|-------------| | CPU | Intel Atom x5-Z8350, x7-Z8700, Celeron N3350, Pentium N4200, or similar Cherry Trail/Braswell/Apollo Lake | | Audio Controller | Intel SST (not Realtek or HD Audio) | | OS | Windows 10 (32-bit or 64-bit) or Windows 11 (64-bit recommended) | | Boot Mode | UEFI with Secure Boot disabled (temporarily) |

Does it work on newer Alder Lake/N100 devices? No. Those use a different audio DSP (SoundWire). This driver is strictly for legacy SST devices.

There is no single "official website" for CoolStar drivers. They are distributed through community maintenance channels. coolstar sst audio driver download

Because CoolStar’s driver is unsigned, Windows will block installation unless you reboot with signature enforcement disabled.

Option A (For One-Time Install - Recommended):

Option B (Permanent for Test Mode):

The installation process for CoolStar SST drivers is not a simple double-click. Because the driver is unsigned (or uses a test signature), you must disable Windows Driver Signature Enforcement temporarily or permanently.

The SST audio stack is notoriously finicky on Windows, for several reasons:

A: No, but CoolStar also contributed to the Linux kernel’s snd_soc_sst_cht_bsw_* drivers. For Linux, look for the "SOF" (Sound Open Firmware) project instead. This driver is not for every PC

This driver is only necessary for specific Mac models that use an Intel CSI (Conexant/Cirrus Logic) audio codec routed through the Intel SST controller. Affected models typically include:

Do not install this driver on standard PC hardware or non-Apple Intel machines — it will not function and may cause driver conflicts.